Grandstream Networks UCM630 Series User Manual page 178

destination.
Advanced Settings
Select audio and video codec for the VoIP trunk. The available codecs are: PCMU,
Codec Preference PCMA, GSM, AAL2-G.726-32, G.726, G.722, G.729, G.723, iLBC, ADPCM,
H.264, H.265, H.263, H.263p and VP8.
Configure where to get the destination ID of an incoming SIP call, from SIP
DID Mode
Request-line or To-header. The default is set to "Request-line".
Configure the default DTMF mode when sending DTMF on this trunk.
DTMF Mode
Enable Heartbeat If enabled, the UCM630X will regularly send SIP OPTIONS to the device to check
Detection if the device is still online. The default setting is "No".
When "Enable Heartbeat Detection" option is set to "Yes", configure the interval
Heartbeat Frequency (in seconds) of the SIP OPTIONS message sent to the device to check if the device
is still online. The default setting is 60 seconds.
Maximum Number of The maximum number of concurrent calls using the trunk. The default settings 0,
Call Lines which means no limit.
Packet Loss Configure to enable Packet Loss Retransmission.
Retransmission
Audio FEC Configure to enable Forward Error Correction (FEC) for audio.
Video FEC Configure to enable Forward Error Correction (FEC) for video.
FECC Configure to enable Far-end Camera Control
SRTP Enable SRTP for the VoIP trunk. The default setting is "No".
Configures the UCM to be used exclusively for IPVT. Warning: This will lock out
IPVT Mode
certain UCM features.
Sync LDAP Port Configure the TCP port used LDAP sync feature between two peer UCM630X.
Specify an outbound rule for LDAP sync feature. The UCM630X will automatically
LDAP Outbound Rule
modify the remote contacts by adding prefix parsed from this rule.
Specify the prefix for LDAP sync feature. The UCM630X will automatically modify
LDAP Dialed Prefix
the remote contacts by adding this prefix.

Default: The global setting of DTMF mode will be used. The global setting
for DTMF Mode setting is under Web GUIPBX SettingsSIP
SettingsToS.

RFC4733: Send DTMF using RFC4733.

Info: Send DTMF using SIP INFO message.

Inband: Send DTMF using inband audio. This requires 64-bit codec, i.e.,
PCMU and PCMA.

Auto: Send DTMF using RFC4733 if offered. Otherwise, inband is used.
UCM630X Series User Manual
Version 1.0.2.25
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